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经营范围
发明名称
Perfectionnements aux circuits radioélectriques pour fréquences ultra-élevées
摘要
申请公布号
FR1002480(A)
申请公布日期
1952.03.06
申请号
FRD1002480
申请日期
1946.10.09
申请人
发明人
MARIE GEORGES-ROBERT-PIERR
分类号
H01J25/28;H01P1/208
主分类号
H01J25/28
代理机构
代理人
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地址
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